1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP___MEMORY_RAW_STORAGE_ITERATOR_H 11#define _LIBCPP___MEMORY_RAW_STORAGE_ITERATOR_H 12 13#include <__config> 14#include <__memory/addressof.h> 15#include <cstddef> 16#include <iterator> 17#include <utility> 18 19#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 20#pragma GCC system_header 21#endif 22 23_LIBCPP_PUSH_MACROS 24#include <__undef_macros> 25 26_LIBCPP_BEGIN_NAMESPACE_STD 27 28#if _LIBCPP_STD_VER <= 17 29 30template <class _OutputIterator, class _Tp> 31class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 raw_storage_iterator 32 : public iterator<output_iterator_tag, 33 _Tp, // purposefully not C++03 34 ptrdiff_t, // purposefully not C++03 35 _Tp*, // purposefully not C++03 36 raw_storage_iterator<_OutputIterator, _Tp>&> // purposefully not C++03 37{ 38private: 39 _OutputIterator __x_; 40public: 41 _LIBCPP_INLINE_VISIBILITY explicit raw_storage_iterator(_OutputIterator __x) : __x_(__x) {} 42 _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator*() {return *this;} 43 _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator=(const _Tp& __element) 44 {::new ((void*)_VSTD::addressof(*__x_)) _Tp(__element); return *this;} 45#if _LIBCPP_STD_VER >= 14 46 _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator=(_Tp&& __element) 47 {::new ((void*)_VSTD::addressof(*__x_)) _Tp(_VSTD::move(__element)); return *this;} 48#endif 49 _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator++() {++__x_; return *this;} 50 _LIBCPP_INLINE_VISIBILITY raw_storage_iterator operator++(int) 51 {raw_storage_iterator __t(*this); ++__x_; return __t;} 52#if _LIBCPP_STD_VER >= 14 53 _LIBCPP_INLINE_VISIBILITY _OutputIterator base() const { return __x_; } 54#endif 55}; 56 57#endif // _LIBCPP_STD_VER <= 17 58 59_LIBCPP_END_NAMESPACE_STD 60 61_LIBCPP_POP_MACROS 62 63#endif // _LIBCPP___MEMORY_RAW_STORAGE_ITERATOR_H 64